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 <title><![CDATA[请做过西门子PLC（s7-200)与变频器作modb ..]]></title>
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 <title><![CDATA[Re:请做过西门子PLC（s7-200)与变频器作modbus ascii码通信的朋友指点一 ..]]></title>
 <description><![CDATA[至少用XMT发送吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1478854#1645877.html]]></link>
 <author><![CDATA[hzyhscm]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 18 Feb 2015 08:49:40 +0000]]></pubdate>
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<item>
 <title><![CDATA[Re:请做过西门子PLC（s7-200)与变频器作modbus ascii码通信的朋友指点一 ..]]></title>
 <description><![CDATA[没有朋友做过此类通信吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1478854#1644523.html]]></link>
 <author><![CDATA[fjxmzyc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 07 Feb 2015 05:11:44 +0000]]></pubdate>
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<item>
 <title><![CDATA[Re:请做过西门子PLC（s7-200)与变频器作modbus ascii码通信的朋友指点一 ..]]></title>
 <description><![CDATA[你说的RTU，我说的ASCII]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1478854#1644139.html]]></link>
 <author><![CDATA[fjxmzyc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 05 Feb 2015 13:17:14 +0000]]></pubdate>
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<item>
 <title><![CDATA[Re:请做过西门子PLC（s7-200)与变频器作modbus ascii码通信的朋友指点一 ..]]></title>
 <description><![CDATA[你是不是传错了程序，怎么还有中断，应该调用modbus库才对呀！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1478854#1644133.html]]></link>
 <author><![CDATA[leisure]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 05 Feb 2015 12:58:47 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我用的台达m型变频器
采用自由口通信
7&nbsp;&nbsp;E&nbsp;&nbsp;1
站号01
功能代码 运转区2000&nbsp;&nbsp;&nbsp;&nbsp;12正转&nbsp;&nbsp;22反转&nbsp;&nbsp;1停止
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;频率区2001
停止位 0A&nbsp;&nbsp;0D]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1478854#1644022.html]]></link>
 <author><![CDATA[fjxmzyc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 05 Feb 2015 04:13:47 +0000]]></pubdate>
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